> For the complete documentation index, see [llms.txt](https://docs.theopenpresenter.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.theopenpresenter.com/plugins/developing-a-plugin/plugin-api/backend.md).

# Backend

- [Yjs Handler](https://docs.theopenpresenter.com/plugins/developing-a-plugin/plugin-api/backend/yjs-handler.md)
- [Loading Frontend](https://docs.theopenpresenter.com/plugins/developing-a-plugin/plugin-api/backend/loading-frontend.md)
- [Security](https://docs.theopenpresenter.com/plugins/developing-a-plugin/plugin-api/backend/security.md)